40063555 has 16 divisors (see below), whose sum is σ = 55111680. Its totient is φ = 27388512.

The previous prime is 40063531. The next prime is 40063589. The reversal of 40063555 is 55536004.

It is a cyclic number.

It is not a de Polignac number, because 40063555 - 2⁷ = 40063427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11286 + ... + 14404.

It is an arithmetic number, because the mean of its divisors is an integer number (3444480).

Almost surely, 2^40063555 is an apocalyptic number.

40063555 is a deficient number, since it is larger than the sum of its proper divisors (15048125).

40063555 is a wasteful number, since it uses less digits than its factorization.

40063555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 40063555 is about 6329.5777900268. The cubic root of 40063555 is about 342.1762226915.

Adding to 40063555 its reverse (55536004), we get a palindrome (95599559).

The spelling of 40063555 in words is "forty million, sixty-three thousand, five hundred fifty-five".